Analysis of demagnetization faults in surface-mounted permanent magnet synchronous motors with symmetric windings

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Title:	Analysis of demagnetization faults in surface-mounted permanent magnet synchronous motors with symmetric windings
Author:	Urresty Betancourt, Julio César; Riba Ruiz, Jordi-Roger; Saavedra Ordóñez, Harold; Romeral Martínez, José Luis
Other authors:	Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica; Universitat Politècnica de Catalunya. Departament d'Enginyeria Elèctrica; Universitat Politècnica de Catalunya. MCIA - Motion Control and Industrial Applications Research Group
Abstract:	This paper analyzes a surface-mounted permanent magnet synchronous motor with symmetric winding configuration running under demagnetization fault. The analysis is based on 2D FEM simulations which includes rotor magnet skewed effects. Two types of demagnetization are analyzed; uniform and local demagnetization. It is proposed the use of zero-sequence voltage component for fault diagnosis purposes. Simulations and experimental results show the suitability of the method.
Abstract:	Peer Reviewed
Subject(s):	-Permanent magnet motors -Demagnetization -Motors d'imants permanents -Desmagnetització
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Document type:	Article - Published version Conference Object
Published by:	IEEE Press. Institute of Electrical and Electronics Engineers
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